Cable Ferrites

Part Number	Description / PDF	Quantity
28B0375-100 Laird - Performance Materials	FERRITE CORE 154 OHM SOLID	9099
28R0984-200 Laird - Performance Materials	FERRITE CORE 170 OHM SOLID	20478
LFB095051-000 Laird - Performance Materials	FERRITE CORE 86 OHM SOLID 5.1MM	12102
LFB220140-000 Laird - Performance Materials	FERRITE CORE 28 OHM SOLID 14MM	0
28B1142-000 Laird - Performance Materials	FERRITE CORE 85 OHM SOLID 19MM	557
28B0735-000 Laird - Performance Materials	FERRITE CORE 250 OHM SOLID	0
28R1800-010 Laird - Performance Materials	FERRITE CORE 260 OHM SOLID	0
28A2432-0A2 Laird - Performance Materials	FERRITE CORE 160 OHM HINGED	2404
28A3039-0A2 Laird - Performance Materials	FERRITE CORE 130 OHM HINGED	0
28B0625-100 Laird - Performance Materials	FERRITE CORE 280 OHM SOLID	1507
28B2400-000 Laird - Performance Materials	FERRITE CORE 135 OHM SOLID	593
28R1127-500 Laird - Performance Materials	FERRITE CORE 110 OHM SOLID	1648
28B0592-000 Laird - Performance Materials	FERRITE CORE 653 OHM SOLID 4.5MM	1344
HFA100049-0A2 Laird - Performance Materials	FERRITE CORE 133 OHM HINGED	5623
28B0870-000 Laird - Performance Materials	FERRITE CORE 85 OHM SOLID	1418
28A0350-0B2 Laird - Performance Materials	FERRITE CORE 240 OHM HINGED	22346
28A2025-0A2 Laird - Performance Materials	FERRITE CORE 320 OHM HINGED	12221
28R2170-100 Laird - Performance Materials	FERRITE CORE 170 OHM SOLID	1859
28B0591-200 Laird - Performance Materials	FERRITE CORE 377 OHM SOLID 5.9MM	7322
28B0375-000 Laird - Performance Materials	FERRITE CORE 125 OHM SOLID	12701

Cable Ferrites

1. Overview

Cable Ferrites are passive electronic components designed to suppress high-frequency noise in cables, reducing electromagnetic interference (EMI) and radio-frequency interference (RFI). Constructed from ferrite materials, these components absorb electromagnetic energy and convert it into heat. With the rapid development of high-speed electronics and wireless communication systems, cable ferrites play a critical role in ensuring electromagnetic compatibility (EMC) across industries.

2. Main Types and Functional Classification

Type	Functional Characteristics	Application Examples
Split Core (Snap-on)	Easy installation without cable disassembly; moderate noise suppression	Consumer electronics power cables
Wound Type	Higher inductance through multiple turns; superior EMI filtering	Industrial motor drives
Flat Cable Ferrite	Low-profile design; optimized for ribbon cables	Computer peripheral cables
High-Frequency Ferrite	Effective at GHz frequencies; specialized material formulation	5G base station cables

3. Structure and Composition

Typical cable ferrites consist of a manganese-zinc (MnZn) or nickel-zinc (NiZn) ferrite core with polymer coating. Split-core designs use two interlocking halves with snap mechanisms, while wound types feature pre-molded toroidal cores. Advanced models integrate conductive elastomers for improved EMI absorption. The core material's permeability determines the operating frequency range and noise suppression efficiency.

4. Key Technical Specifications

Parameter	Description	Importance
Impedance (100MHz)	100 - 2500	Determines noise attenuation performance
Frequency Range	1MHz - 3GHz	Defines effective operation bandwidth
Temperature Stability	-40 C to +125 C	Ensures reliability in harsh environments
Cable Compatibility	2-15mm diameter	Installation flexibility

5. Application Fields

Consumer Electronics: Notebook chargers, HDMI cables, USB hubs
Industrial Equipment: PLC systems, CNC machine cabling
Telecommunications: Fiber optic transceivers, 5G small cells
Automotive: CAN bus systems, EV charging cables

6. Leading Manufacturers and Products

Manufacturer	Key Product	Features
TDK Corporation	DFE3D25E102MA2D	2500 @100MHz, 3GHz high-frequency performance
Murata Manufacturing	BLE21HG102MN1D	Compact 10.5 6.5mm size for automotive applications
Steward Components	28B2043-0A0	High-vibration resistance for industrial motors

7. Selection Guidelines

Key considerations include:

Match impedance to target noise frequency range
Verify mechanical compatibility with cable diameter
Select material type (MnZn for low frequencies, NiZn for high frequencies)
Assess environmental requirements (temperature, vibration)
Balance performance with cost constraints

8. Industry Trends

Current trends show: - Increasing demand for high-frequency (>6GHz) ferrites driven by 5G and IoT - Miniaturization for wearable device applications - Development of wideband ferrites with multi-octave frequency coverage - Growing adoption in EV charging systems (SAE J1772 compliance) - Integration with cable connectors for space-constrained designs